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Old 04-24-2008, 10:32 PM   #5 (permalink)
Compaq888
EcoModding Apprentice
 
Join Date: Apr 2008
Location: southern cali
Posts: 159

DMC - '99 Honda Civic DX
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ive actually done some research and a piggy back wont give you such a good gain...but a standalone like a megasquirt or something like it is 3mpg gain on just regular driving compared to the regular stock ecu...
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